Sand & Bead Mills
Industrial High Efficiency Pin Type Nano Bead Mill Ceramic Nano Grinding Machine for Ultrafine Powder Processing
Item Number: PP-SBM15
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Product Overview
This high-performance pin-type nano grinding machine is an advanced wet-milling solution specifically engineered for the ultra-fine pulverization and dispersion of nanomaterials. Utilizing micro-scale grinding media down to 0.2 mm, the unit delivers high kinetic energy transfer into slurries, rapidly reducing particle sizes to sub-micron and nanometer regimes. The enclosed processing structure ensures zero environmental contamination and minimal solvent evaporation, making it an essential system for high-purity material processing.
Designed to handle challenging industrial slurries, this equipment excels across demanding fields such as battery materials, technical ceramics, functional coatings, electronic pastes, and pharmaceutical suspensions. It is particularly effective when milling highly viscous or swelling materials that tend to generate excessive heat under high shear. Through its optimized fluid dynamics and intelligent cooling layout, the system maintains steady operating parameters throughout intensive production runs.
Built for continuous industrial service, the mill integrates heavy-duty components including high-purity silicon carbide grinding chambers, zirconia ceramic pin rotors, and dynamic centrifugal bead separation modules. Multi-tier automated safety interlocks constantly monitor system pressure, coolant loops, and process temperatures, giving technical teams complete operational confidence during mission-critical batch manufacturing.
Key Features
- Zirconia Ceramic Pin Rotor System: High-density ceramic pins project intense shear forces and kinetic impact energy directly into the grinding media, accelerating particle reduction while eliminating metallic contamination in sensitive formulations.
- Silicon Carbide Grinding Chamber: Built from premium-grade silicon carbide, the inner grinding barrel offers exceptional wear resistance and superior thermal conductivity, enabling rapid heat transfer away from heat-sensitive slurries.
- Dynamic Centrifugal Media Separation: Equipped with a high-precision separation gap system (0.15–0.3 mm) that retains micro-beads cleanly within the grinding chamber while permitting uninterrupted, high-volume slurry throughput without clogging.
- Enclosed High-Efficiency Grinding Loop: Fully enclosed process geometry prevents cross-contamination, eliminates volatile solvent loss, and optimizes power density for rapid particle size reduction with narrow distribution curves.
- Integrated Pneumatic Diaphragm Feeding: Powered by an industrial-grade Ingersoll Rand ARO 1-inch pump, providing steady, pulsation-damped material delivery into the grinding chamber for consistent processing fluidics.
- Imported Cartridge Mechanical Seal: Features a pre-packaged mechanical seal system supported by corrosion-resistant Kalrez (DuPont perfluoroelastomer) O-rings, tailored for harsh chemical environments across both aqueous and organic solvent formulations.
- Variable Frequency Speed Control: Driven by a 15 kW explosion-proof IP55 motor with VFD speed adjustment, delivering motor speeds up to 1470 rpm and linear tip speeds of 12.84 m/s for precise energy input tuning.
- Comprehensive Four-Tier Safety Interlocks: Built-in PLC continuously checks for overpressure, mechanical seal coolant drops, line blockages, and high chamber temperatures, initiating instant automatic motor shutdowns to protect process integrity.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Lithium Battery Cathode & Anode Materials | Wet milling of lithium iron phosphate (LFP), NMC, and silicon-carbon composite slurries to sub-micron scales. | Enhances electrical conductivity, tap density, and battery discharge performance through narrow particle size distribution. |
| Technical & Functional Ceramics | Fine dispersion of high-purity alumina, zirconia, and silicon carbide nanopowders for advanced structural components. | Removes agglomerates to achieve higher green density and defect-free sintering characteristics. |
| Electronic Pastes & Conductive Inks | Micro-grinding and de-agglomeration of silver pastes, copper inks, and carbon nanotube conductive coatings. | Ensures smooth rheological properties, uniform line printing, and maximized electrical conductivity. |
| Active Pharmaceutical Ingredients (APIs) | Sub-micron pulverization of poorly soluble drug compounds and bioactive bone ceramics like hydroxyapatite. | Dramatically increases specific surface area, improving dissolution rates and biological reactivity. |
| Swollen & Viscous Polymer Slurries | Processing highly viscous, swelling-prone polymer compounds and specialized chemical dispersions. | High-efficiency thermal dissipation prevents thermal degradation and clogging during continuous milling. |
| Premium Inkjet Inks & Pigments | Nanoscale dispersion of high-grade organic pigments, titanium dioxide, and specialty colorants. | Yields brilliant color strength, optical transparency, and prevents jetting nozzle blockages. |
Technical Specifications
| Parameter Category | Specification Details | Unit / Value |
|---|---|---|
| Model Identifier | Product Item Code | PP-SBM15 |
| Capacity & Media | Grinding Barrel Net Capacity | 6 L |
| Grinding Media Charge Weight | 12.6 – 15.5 kg | |
| Media Filling Ratio | 70% – 85% | |
| Recommended Grinding Media | Zirconia beads (Media size ≥ 0.2 mm) | |
| Separation Screen Gap | 0.15 – 0.3 mm | |
| Cooling & Utility | Cooling Water Temperature | 5 – 8 °C |
| Cooling Water Supply Pressure | 0.2 MPa | |
| Cooling Water Hose Connection | 1.2-inch flexible tubing | |
| Material Feed System | Feed Pump Type | USA Ingersoll Rand ARO 1-inch Pneumatic Pump |
| Electrical & Drive | Operating Voltage / Frequency | 380V / 50Hz |
| Inverter Capacity | 15 kW | |
| Main Drive Motor Power | 15 kW (Explosion-Proof Rating IP55) | |
| Bearing System | Premium imported SKF bearings | |
| Speed Regulation | Variable Frequency Drive (VFD) | |
| Motor Nominal Speed | 1470 rpm | |
| Rotor Linear Tip Speed | 12.84 m/s | |
| Control & Protection | Control System Architecture | PLC with Explosion-Proof Configuration |
| Overpressure Protection | Automatic main motor shutdown upon abnormal chamber pressure | |
| Mechanical Seal Leak Protection | Automatic main motor shutdown if coolant loop starves | |
| Circulation Line Protection | Automatic shutdown upon pressure spikes from pipe or seal blockages | |
| Overtemperature Protection | Automatic motor shutdown if internal slurry temperature exceeds limit | |
| Mechanical Seal System | Mechanical Seal Construction | Imported pre-assembled cartridge mechanical seal |
| Seal Operating Pressure | 0.4 MPa | |
| Minimum Seal Coolant Flow Rate | 4 L/min | |
| Primary O-Ring Elastomer | DuPont Kalrez perfluoroelastomer (corrosion resistant) | |
| Formulation Compatibility | Optimized distinct seal materials for water-based vs. solvent-based systems | |
| Chamber Contact Materials | Inner Chamber Barrel Material | Sintered Silicon Carbide (SiC) |
| Agitator Rotor Pin Material | High-purity Zirconia Ceramic ($ZrO_2$) | |
| Media Separator Unit Material | High-precision centrifugal separation assembly | |
| Physical Dimensions | Overall Equipment Dimensions (L × W × H) | 1300 mm × 710 mm × 1600 mm |
| Total System Mass | Approx. 500 kg |
Why Choose This Product
- Zero-Contamination Ceramic Contact Zone: Engineered with complete silicon carbide and zirconia ceramic wet surfaces, ensuring your advanced nanopowders remain entirely free of metallic iron contamination.
- Exceptional Thermal Control for Sensitive Slurries: The combination of a high-conductivity SiC chamber lining and dynamic internal liquid cooling allows high energy input without damaging heat-sensitive compounds.
- Robust Heavy-Duty Component Selection: Incorporating world-class components including SKF bearings, ARO diaphragm pumps, and Kalrez seals guarantees reliable, continuous industrial production with minimal maintenance downtime.
- Intelligent Safety & Process Stability: Automated four-way PLC safety monitoring continuously evaluates system parameters to prevent seal failures, overpressure accidents, or batch degradation.
- Customizable Engineering Solutions: Our application specialists work closely with procurement and laboratory teams to tailor seal materials, pump configurations, and media specifications to match your exact processing chemistry.
To discuss your specific nanoparticle milling requirements or request a comprehensive technical quotation and material testing session, please contact our engineering sales team today.
REQUEST A QUOTE
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